WowAce

Speed plugin for any DataBroker display.

ItemEnchantApplication

Dedicated to Lazybones of EU Khadgar who had the original idea as he can't find a damn thing in his bags. You're a great guy...

Database of Mailbox locations for HandyNotes

What did you just loot?

Saves and restores your action bars.

Provides access to all teleporting spells and items on right click of minimap button.

Information display for Hunters.

nRaidTracker

HazLoot

rSelfCast

Tracking and ranking of dps/hps in a guild.

Enable/Disable addons for your character in game

Drops the least valuable item in your bags to make space.

Note + rep tracking for players, with guild data sharing.

FuBar_NinjutFu

OneChoice tries to help you reduce quest reward choices down to, ideally, one choice.

Automatically sells low quality gray items and selected white items to the vendor.

NabuFiveSec

Keeps track of honor, PvP statistics, BG Marks, and Arena points.